Explain the auto bootstrap process in AngularJS

Angular initializes automatically DOMContentLoaded event or when you download angular.js script is to the browser.

After this, AngularJS find the ng-app directive that is the root of angular app compilation. When ng-app directive is found, AngularJS do the following steps:

1) load the module, which is associated with the directive,

2) Create application injector,

3) Compile the DOM from the ng-app root element. This process is known as auto bootstrapping.